![background image](http://html1.mh-extra.com/html/samsung/galaxy-s21-sg/galaxy-s21-sg_user-manual_4281037045.webp)
Getting
started
45
•
Brighten
screen
:
Increase
the
screen
brightness
temporarily
so
that
your
face
can
be
recognized
in
dark
conditions.
•
About
unlocking
with
biometrics
:
Learn
additional
information
about
securing
your
device
with
biometrics.
Fingerprint
scanner
Use
fingerprint
recognition
as
an
alternative
to
entering
passwords
in
certain
apps.
You
can
also
use
your
fingerprint
to
verify
your
identity
when
logging
in
to
your
Samsung
account.
To
use
your
fingerprint
to
unlock
your
device,
you
must
set
a
pattern,
PIN,
or
password.
1.
From
Settings,
tap
Biometrics
and
security
>
Fingerprints
.
2.
Follow
the
prompts
to
register
your
fingerprint.
Fingerprint
management
Add,
delete,
and
rename
fingerprints.
◌
From
Settings,
tap
Biometrics
and
security
>
Fingerprints
for
the
following
options:
•
The
list
of
registered
fingerprints
is
at
the
top
of
this
list.
You
can
tap
a
fingerprint
to
remove
or
rename
it.
•
Add
fingerprint:
Simply
follow
the
prompts
to
register
another
fingerprint.
•
Check
added
fingerprints
:
Scan
your
fingerprint
to
see
if
it
has
been
registered.